Monster Marine Lithium | SKU: MML-DLT3660B

36V 65Ah Bluetooth Deep Cycle Lithium Trolling Battery

$1,299.00

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Returns

At Harbor Supply, we aim to ensure you’re completely satisfied with your purchase. If you need to return an item, you have 90 days from the date of delivery to initiate a return.

Eligibility for Returns:

To be eligible for a return:

The item must be in its original condition—unused, unworn, with all tags still attached, and in its original packaging.
You’ll need the receipt or proof of purchase.

Please note, returns must be authorized before sending any items back. Items returned without prior authorization will not be accepted.

Description

⚡ Monster Marine Lithium™ MML-CW3665B “36V 65Ah Bluetooth Trolling Battery”

36V 65Ah Bluetooth Deep Cycle Marine Trolling Battery

Overview

Meet the MML-CW3665B, the compact power that’s redefining marine performance.
This 36V 65Ah Bluetooth Lithium Trolling Battery brings advanced LiFePO₄ technology and integrated Bluetooth monitoring to your boat — giving you lightweight efficiency, real-time performance data, and unmatched endurance in a single, drop-in battery.

At only 38 lbs, this single battery replaces three traditional 12V lead-acid or gel batteries, cutting a ton of weight while freeing up valuable space.
It’s engineered to deliver twice the power, four times the lifespan, and instant plug-and-play installation for your 36V trolling motor system.

Key Features

✅ One Battery, Triple the Output
Replaces three 12V batteries — saving space, simplifying wiring, and reducing overall boat weight.

📱 Integrated Bluetooth Monitoring
Track real-time voltage, current, capacity, and battery health directly from your smartphone via the MMLithium app.

⚡ Lightweight, Heavy-Duty Power
Power that weighs less — dramatically lighter than lead-acid with more muscle in every amp.

🔋 LiFePO₄ Technology
Provides double the usable power, four times the cycle life, and consistent voltage output from start to finish.

➕ Expandable Power
Easily connect a second in parallel (positive to positive, negative to negative) to double capacity.

🪛 Plug-and-Play Installation
Connect your trolling motor directly to the battery — no complex setup required.

⚙️ Physical Specifications

Parameter	Specification
Weight	38 lbs
Dimensions (L × W × H)	13 in × 6.77 in × 9.5 in (330 × 172 × 241 mm)
Enclosure Material	Marine-grade ABS housing
Terminal Type	M8 Brass Bolt

🔋 Electrical Specifications

Parameter	Specification
Nominal Voltage	38.4 V
Nominal Capacity	65 Ah
Energy	2496Wh
Charge Voltage Range	43.5 – 43.8 V
Max Charge Current	50 A
Continuous Discharge Current	100 A max
Cycle Life	4000+ cycles
Battery Chemistry	Lithium Iron Phosphate (LiFePO₄)
Bluetooth Functionality	Built-in Smart Monitoring via App

⚓ Applications

Use Case	Compatibility
Primary Use	36 V trolling motors
Parallel Configuration	Connect Multiple in parallel for extended run time.
Replacement For	(3) × 12 V SLA batteries
Compatible Brands	Minn Kota • Garmin • Lowrance • Rhodan • All 36 V trolling motors